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Alpena Harbor Lighthouse

Fl R 5s🇺🇸Michigan's Eastern Lower Peninsula, USOperational

Location & Light Range

About Alpena Harbor Lighthouse

Alpena Harbor Lighthouse is a maritime navigation aid located in Michigan's Eastern Lower Peninsula, US. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 15 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is Fl R 5s. This means the light produces 1 flash every 5 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light color is red, which may indicate a specific sector or warning zone.

Position: Alpena Harbor Lighthouse is positioned at 45.0604°N, 83.4229°W, near Michigan's Eastern Lower Peninsula in US.

Geographic context: Alpena Harbor Lighthouse is situated on the North Pacific Ocean. The location falls within the temperate maritime climate zone.

Nearby lighthouses in US: Other lighthouses in the region include Abagadasset Point Range, Absecon, Admiralty Head Light, Ahukini Breakwater, Alameda County (Oakland Area) Lighthouses. View all on the Lighthouses Directory.

Nearby Ports

ALPENA

USAPN

0.2 NMNNE

PRESQUE ISLE

USPQI

17 NMN

HARRISVILLE

USHVW

24.8 NMSSE

Calcite

USMI3

25.8 NMNW

Rogers City

USRCY

27.2 NMNW

Flash Characteristics

Characteristic Signature
Fl R 5s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
5s

Physical Specifications

Focal Height
15m
Light Range
Not available
Status
ACTIVE
City
Michigan's Eastern Lower Peninsula
Country
🇺🇸US
Latitude
45.0604°
Longitude
-83.4229°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Alpena Harbor Lighthouse at night?+
Alpena Harbor displays the characteristic Fl R 5s — 1 red flash every 5 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The red color may indicate a specific sector or warning zone.
Which ports and harbors does Alpena Harbor Lighthouse guide vessels into?+
Alpena Harbor Lighthouse assists vessels approaching 5 nearby ports. The closest is ALPENA at 0.2 NM to the NNE. Other ports served include PRESQUE ISLE (17 NM N), HARRISVILLE (24.8 NM SSE), Calcite (25.8 NM NW), Rogers City (27.2 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Alpena Harbor Lighthouse still active and maintained?+
Yes, Alpena Harbor Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
How can I track vessels near Alpena Harbor Lighthouse?+
You can track vessels near Alpena Harbor Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.